How To Fix CLB2503 - Synchronization not possible; delayed method &1 found in queue

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB2 - SAIL: Common messages

• Message number: 503

• Message text: Synchronization not possible; delayed method &1 found in queue

What causes this issue?

The IF_CLB_PROCESS->SYNCHRONIZE method has been called for method &V1&
but could not be found in the internal queue. This means that either the
method has not been executed as a delayed method (by setting the
IV_DELAYED flag in IF_CLB_PROCESS->EXECUTE) or that the synchronization
has already taken place.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

The coding needs to be changed to ensure to the proper call sequence.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CLB2503 - Synchronization not possible; delayed method &1 found in queue ?

  The SAP error message CLB2503 indicates that there is a synchronization issue related to a delayed method found in the queue. This typically occurs in the context of SAP's Collaborative Lifecycle Management (CLM) or similar scenarios where asynchronous processing is involved.
  Cause:
  The error message suggests that there is a method that has been queued for processing but cannot be synchronized at the moment. This can happen due to several reasons:
  
  Queue Overload: The processing queue may be overloaded with too many requests, causing delays.
  Locking Issues: There may be locks on the objects that the method is trying to access, preventing synchronization.
  Configuration Issues: Incorrect configuration of the asynchronous processing or the related components can lead to this error.
  System Performance: Performance issues in the SAP system can lead to delays in processing queued methods.
  
  Solution:
  To resolve the CLB2503 error, you can take the following steps:
  
  
  Check the Queue: 
  
  Use transaction SMQ1 (for outbound queues) or SMQ2 (for inbound queues) to check the status of the queues. Look for any entries that are stuck or delayed.
  Analyze the entries in the queue to identify any that are causing the issue.
  
  
  
  Monitor System Performance:
  
  Check system performance metrics to ensure that the system is not overloaded. Use transaction ST03N to analyze workload and performance.
  If the system is under heavy load, consider optimizing performance or scheduling jobs during off-peak hours.
  
  
  
  Review Locks:
  
  Use transaction SM12 to check for any locks that may be preventing the method from being processed. If you find locks that are no longer needed, you can release them.
  
  
  
  Adjust Configuration:
  
  Review the configuration settings related to asynchronous processing. Ensure that they are set up correctly and that there are no misconfigurations.
  
  
  
  Retry the Process:
  
  If the issue was temporary, you may simply need to retry the process that triggered the error.
  
  
  
  Consult Logs:
  
  Check the application logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches or updates that could resolve the issue.
  
  
  
  Related Information:
  
  Asynchronous Processing: Understanding how asynchronous processing works in SAP can help in troubleshooting similar issues.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  Documentation: Refer to SAP documentation for details on the specific components involved in the error, such as CLM or the specific modules you are working with.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further assistance.